Recent activity by Lynell160113

1 answer 35 views

How does the presence of heavy metals such as lead, arsenic, and cadmium in soil impact the uptake of nutrients by plants and ultimately affect crop health and yield?

asked Feb 22 in Environmental Chemistry

1 answer 34 views

How does the photochemical property of luciferase enzyme found in fireflies differ from that of a protein present in bioluminescent bacteria, and what are the chemical mechanisms involved in the light emission process in each of these organisms?

answered Feb 22 in PhotoChemistry

1 answer 28 views

What is the molecular geometry of a molecule of ammonia (NH3) and what are the bond angles between the nitrogen atom and each of the three hydrogen atoms?

answered Feb 21 in Quantum Chemistry

1 answer 36 views

What is the relationship between the electronic and magnetic properties of metal-organic frameworks and their crystal structures? How does this affect their potential uses in gas storage, catalysis and molecular sensing?

asked Feb 20 in Quantum Chemistry

1 answer 37 views

How does the concentration of an emulsifying agent affect the stability of a water-in-oil emulsion?

answered Feb 18 in Surface Chemistry

1 answer 27 views

How does the addition of different functional groups to a polymer affect its electrical conductivity and performance in electronic devices?

answered Feb 17 in Polymer Chemistry

1 answer 33 views

How can we predict the catalytic activity and selectivity of a molecule using quantum chemistry calculations?

answered Feb 14 in Quantum Chemistry

1 answer 62 views

What is the effect of increasing the polarity of the solvent on the rate of the reaction between hydrochloric acid and magnesium?

asked Feb 13 in Chemical kinetics

1 answer 62 views

In the context of photochemistry and supramolecular assemblies, how do the photochemical properties of a supramolecular assembly vary when the size and shape of the assembly are altered, and what factors influence these changes?

asked Feb 13 in PhotoChemistry

1 answer 55 views

What is the predicted bond angle in a water molecule and how is it determined using VSEPR theory?

answered Feb 13 in Chemical bonding

1 answer 64 views

Using retrosynthetic analysis, outline a viable multi-step synthesis of ibuprofen from commercially available starting materials. Include appropriate reagents and conditions.

asked Feb 13 in Organic Chemistry

1 answer 30 views

How can the purity of a crude sample of a chemical be improved through the use of various purification techniques, such as distillation, chromatography or crystallization, and what factors should be considered in selecting the most appropriate method for the specific chemical being purified? Develop a process to achieve a 95% pure sample of the desired chemical.

asked Feb 10 in Chemical engineering

1 answer 50 views

How can the physical and chemical properties of polymers be optimized to create a durable, lightweight and cost-effective packaging material for food and beverages?

answered Feb 10 in Polymer Chemistry

1 answer 39 views

How can the performance of polymer-based membranes be improved for water treatment applications in terms of permeability and selectivity?

asked Feb 10 in Polymer Chemistry

1 answer 35 views

How can the mechanical and chemical properties of a polymer-based paint or coating be optimized for a specific application, such as an exterior coating for a steel bridge exposed to harsh weather conditions?

answered Feb 7 in Polymer Chemistry

1 answer 37 views

How can computational studies be used to predict the effects of mutations in active site residues on enzyme catalysis?

answered Feb 6 in Computational Chemistry

1 answer 32 views

How can chemistry teachers provide effective support to students with learning disabilities during laboratory experiments?

asked Feb 6 in Chemical education

1 answer 36 views

How can chemistry educators effectively advocate for increased funding for chemistry education in schools and universities to promote science literacy and prepare students for careers in chemistry?

asked Feb 4 in Chemical education

1 answer 44 views

How can chemistry be applied to address economic and societal challenges, such as developing sustainable and environmentally-friendly technologies, improving healthcare systems, and creating new materials for various industries?

asked Feb 4 in Chemical education

1 answer 77 views

What is the activation energy of the reaction mechanism for the catalytic conversion of methane to methanol, using density functional theory calculations?

asked Jan 31 in Computational Chemistry

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